Cometic, EST top-end gasket kit. M8 4.250" bore

EST (Extreme Sealing Technology). With MLS (Multi-Layer-Steel) .030" thick head gaskets. The SLS (Single-Layer-Steel) cylinder base gaskets and SLS rocker cover gaskets used in these sets are .020" thick and have .001" of high temperature viton rubber coating on both sides. Kit comes with all gaskets, seals and o-ring for a complete top end rebuild. Note: Fits Softail, Touring & Trike models with both oil cooled and water cooled heads. The special design head & base gasket allows the gaskets to fit into the cylinder bore embossement... while even keeping the oil cooling port open on oil cooled heads. Note: With this gasket the 4.250" big bore size is a true bolt-on application for both oil & water cooled M8 models. / Fitment: 18-24 Softail; 17-24 FLT/Touring; 17-24 Trikes. With both oil cooled and water cooled heads with bores up to 4.200"